Manitou Maniscopic MLT MLT 626 Series 1 Perkins 1004.4 (1989-1992)

Which oil should you use for your Manitou Maniscopic MLT MLT 626 Series 1 Perkins 1004.4 (1989-1992)? Complete advice for all components, such as the engine, gearbox (transaxle), brake system, power steering system and cooling system.